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chr5-55941186-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_002184.4(IL6ST):​c.2653G>A​(p.Val885Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00331 in 1,614,144 control chromosomes in the GnomAD database, including 34 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0023 ( 3 hom., cov: 32)
Exomes 𝑓: 0.0034 ( 31 hom. )

Consequence

IL6ST
NM_002184.4 missense

Scores

17

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.0390
Variant links:
Genes affected
IL6ST (HGNC:6021): (interleukin 6 cytokine family signal transducer) The protein encoded by this gene is a signal transducer shared by many cytokines, including interleukin 6 (IL6), ciliary neurotrophic factor (CNTF), leukemia inhibitory factor (LIF), and oncostatin M (OSM). This protein functions as a part of the cytokine receptor complex. The activation of this protein is dependent upon the binding of cytokines to their receptors. vIL6, a protein related to IL6 and encoded by the Kaposi sarcoma-associated herpesvirus, can bypass the interleukin 6 receptor (IL6R) and directly activate this protein. Knockout studies in mice suggest that this gene plays a critical role in regulating myocyte apoptosis. Alternatively spliced transcript variants have been described. A related pseudogene has been identified on chromosome 17. [provided by RefSeq, May 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.002128154).
BP6
Variant 5-55941186-C-T is Benign according to our data. Variant chr5-55941186-C-T is described in ClinVar as [Benign]. Clinvar id is 774177.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4_exome allele frequency = 0.00341 (4991/1461826) while in subpopulation SAS AF= 0.0179 (1547/86254). AF 95% confidence interval is 0.0172. There are 31 homozygotes in gnomad4_exome. There are 2849 alleles in male gnomad4_exome subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 3 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IL6STNM_002184.4 linkuse as main transcriptc.2653G>A p.Val885Ile missense_variant 17/17 ENST00000381298.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IL6STENST00000381298.7 linkuse as main transcriptc.2653G>A p.Val885Ile missense_variant 17/171 NM_002184.4 P1P40189-1
ENST00000576302.1 linkuse as main transcriptn.268-12C>T splice_polypyrimidine_tract_variant, intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.00229
AC:
349
AN:
152200
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000531
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00151
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.0159
Gnomad FIN
AF:
0.00339
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.00273
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00382
AC:
959
AN:
251364
Hom.:
7
AF XY:
0.00462
AC XY:
627
AN XY:
135844
show subpopulations
Gnomad AFR exome
AF:
0.000615
Gnomad AMR exome
AF:
0.000318
Gnomad ASJ exome
AF:
0.000397
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.0177
Gnomad FIN exome
AF:
0.00407
Gnomad NFE exome
AF:
0.00258
Gnomad OTH exome
AF:
0.00179
GnomAD4 exome
AF:
0.00341
AC:
4991
AN:
1461826
Hom.:
31
Cov.:
32
AF XY:
0.00392
AC XY:
2849
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.000508
Gnomad4 AMR exome
AF:
0.000492
Gnomad4 ASJ exome
AF:
0.000191
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.0179
Gnomad4 FIN exome
AF:
0.00382
Gnomad4 NFE exome
AF:
0.00268
Gnomad4 OTH exome
AF:
0.00318
GnomAD4 genome
AF:
0.00229
AC:
349
AN:
152318
Hom.:
3
Cov.:
32
AF XY:
0.00244
AC XY:
182
AN XY:
74478
show subpopulations
Gnomad4 AFR
AF:
0.000529
Gnomad4 AMR
AF:
0.00150
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.0159
Gnomad4 FIN
AF:
0.00339
Gnomad4 NFE
AF:
0.00273
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00233
Hom.:
2
Bravo
AF:
0.00167
TwinsUK
AF:
0.00270
AC:
10
ALSPAC
AF:
0.00363
AC:
14
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00256
AC:
22
ExAC
AF:
0.00393
AC:
477
Asia WGS
AF:
0.00751
AC:
26
AN:
3478
EpiCase
AF:
0.00273
EpiControl
AF:
0.00249

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

IL6ST-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesNov 26, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 19, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.075
BayesDel_addAF
Benign
-0.67
T
BayesDel_noAF
Benign
-0.72
CADD
Benign
9.7
DANN
Benign
0.54
DEOGEN2
Benign
0.097
T;T;T;.
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.041
N
MetaRNN
Benign
0.0021
T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.5
L;L;L;.
MutationTaster
Benign
1.0
N;N;N;N;N;N
PrimateAI
Benign
0.26
T
PROVEAN
Benign
-0.13
N;N;.;N
REVEL
Benign
0.012
Sift
Benign
0.54
T;T;.;T
Sift4G
Benign
0.90
T;T;T;T
Polyphen
0.0010
B;B;B;.
Vest4
0.037
MVP
0.22
MPC
0.099
ClinPred
0.00030
T
GERP RS
-0.55
Varity_R
0.012
gMVP
0.11

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs61748224; hg19: chr5-55237014; COSMIC: COSV61139965; COSMIC: COSV61139965; API